[Openstack-stable-maint] Stable check of openstack/oslo.log for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/f14fba554f9d4a028becdc41918bc0... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/228735be433e441fb73093da42f466a9 : SUCCESS in 4m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f2c7ca02f7c341ec8b17d95f4792155e : SUCCESS in 7m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e51668e6ccb74b3b8c52719ba685750b : FAILURE in 3m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ad842a2c64d84cf8907b7e3f4ada1db7 : FAILURE in 3m 52s